Dual Tone Multi-Frequency (DTMF) Tones

GMC Sierra / GMC Sierra Owners Manuals / Infotainment System / Phone / Bluetooth / Dual Tone Multi-Frequency (DTMF) Tones

The Bluetooth system can send numbers and the numbers stored as name tags during a call. You can use this feature when calling a menu-driven phone system.

Account numbers can also be stored for use.

Sending a Number or Name Tag During a Call

1. Press 2. Say “Dial.” 3. Say the number or name tag to send.. The system responds “Ready,” followed by a tone.

2. Say “Dial.” 3. Say the number or name tag to send.

    See also:

    Manual Operation
    The air delivery mode or fan speed can be manually adjusted. (Fan Control): Press to increase or decrease the fan speed. Pressing or while in automatic control places the fan speed under manual ...

    Express-open/Express-close
    Press and release the front or rear of the driver side switch to express-open or express-close the sunroof. ...

    Listing Stored Numbers
    The list command will list all stored numbers and name tags. ...